This is A Miami International Airport Ramp Permit From 1960-1961. My Dad Started U.S. Airmotive In 1963 Prior To That He Ran American Airmotive. Panama Airways Shared The Next Hanger At Miami International Airport And My Dad And His Friend At Panama Airways Shared Ramp Space And Ramp Cards In The Early 1960's Servicing Planes Flying In From The Islands And Beyond. I Know There's No Date On This Item But 100% From The Operating Years 1960-1961  Neat Piece Of Miami International Airport Memorabilia.